Quote:
Originally Posted by strat61caster
Thank you for making me look it up.
The users manual states to only use GL-3 for the manual transmission.
p.348
https://www.toyota.com/owners/resour...als/fr-s/2013#
The differential specs GL-5 and Motul Gear 300 satisfies GL-4/5, technically it's not supposed to be in the transmission according to the manual and I can't recall what made the majority of the community agree it was ok...
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I have been reading threads on that recently and thought it was something about metal deactivators in the Motul making in GL-4/5 compatible. Don't know I believe it myself as I haven't decided what to put in my transmission. Debating Amsoil or Redline or just Subaru OE stuff. That being said, majority of the website seems to think Motul would be good in the transmission, I don't know. Just not sure about the detrimental effects in the long run to the transmission synchros...
Quote:
Originally Posted by bluesubie
+1! Like any forum though, you just need to filter out the noise.
Synchromesh Manual Transmission Lubricants.
Gear Tribology and Lubrication
I'm guessing that Motul claims Gear 300 meets both GL4 and GL5 because it may contain metal deactivators. I do not blend their gear oil, so maybe it would be best to ask Motul how they meet both specs.  Or maybe Molakule at bitog can shed some light on this. He has blended gear oil and highly recommends Gear 300 for Subaru differentials.
-Dennis |
http://www.ft86club.com/forums/showthread.php?t=21628
Quote:
Originally Posted by No Limit Motorsport
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http://www.ft86club.com/forums/showthread.php?t=19218